Fix the comments in DatabaseModule and SearchResult

core/data/src/main/java/com/google/samples/apps/nowinandroid/core/data/model/SearchResult.kt.kt

@@ -19,7 +19,7 @@ package com.google.samples.apps.nowinandroid.core.data.model
 import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
 import com.google.samples.apps.nowinandroid.core.model.data.Topic
 
-/** */
+/** An entity that holds the search result */
 data class SearchResult(
     val topics: List<Topic> = emptyList(),
     val newsResources: List<NewsResource> = emptyList(),

core/database/src/main/java/com/google/samples/apps/nowinandroid/core/database/DatabaseModule.kt

@@ -36,7 +36,5 @@ object DatabaseModule {
         context,
         NiaDatabase::class.java,
         "nia-database",
-        // TODO: This is a workaround for executing read query in the main thread for search.
-        // Figure out how other use cases avoid that
     ).build()
 }